On Wed, Oct 11, 2006 at 04:34:17PM -0500, Patrick R. Michaud wrote:
> On Wed, Oct 11, 2006 at 10:56:39PM +0200, Mehmet Yavuz Selim Soyturk wrote:
> > I have rewritten the grammar. There are some problems though.
> >
> > - I don't know how to express thinks like: an identifier is
> > <[a..zA..Z_$]>*, but not a <keyword>. Something like: rule identifier
> > {<!keyword><[a..zA..Z_$]>*} seems not to allow identifiers that have
> > keywords as prefix.
> [...]
> However, the "\b" metacharacter is disappearing soon, to be replaced
> by <?wb> and <!wb>. In its place will be "<<" and ">>", making
> the above:
>
> token keyword { << [ if | else | for | while | ... ] >> }
>
> I'll get << and >> added into PGE today/tomorrow.
OOPS! I just looked at PGE, and apparently << and >>
(and their Unicode equivalents) have been been implemented
since late July. So, go ahead and use the above definition
for keyword. :-)
> > - I couldn't make comments work.
> > - I don't know how to handle unicode,
> > - How to accomplish semicolon insertion?
>
> I'll have to look at the grammar a bit and see what I can come up
> with here.
I'm still working on this one.
Pm
